Please Notice : 1. For Magsafe phone and tablet, can magnetic adsorb directly with round place of the stand . 2. For the phone and tablet without for Magsafe function, need to stick a metal circle/ring on the middle part of phone or tablet , and then adsorb the round place of the stand Or you stick a metal circle/ring on the round place of the stand, and adsorb the middle part of phone or table with the round place of stand. Please view the video in the link about it . Each package come with a metal circle to stick on the phone or tablet Advantage 1. Adjustable angle and height for viewing 2. Take and place by one hand, easy to use 3. Solid magnetic adsorption for mobile phone and tablet 4. Support horizontal and vertical adsorption for phone and tablet, need to put the middle part of the phone or tablet to adsorb the stand